Ford 841 Powermaster: all source data

All 123 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.

Overview

Production
ManufacturerFord
(no label)Utility tractor
(no label)Built in Highland Park, Michigan, USA
(no label)Original price was $3,080 in 1957
Engine
(no label)Ford 2.8L 4-cyl gasoline
(no label)Ford 2.8L 4-cyl LP gas
(no label)Ford 2.8L 4-cyl diesel
Transmission
(no label)4-speed unsynchronized gear
(no label)12-speed
Power
Engine (gross)62.6 hp | 46.7 kW
Engine56.3 hp | 42.0 kW
Drawbar (claimed)44 hp | 32.8 kW
Belt (claimed)50 hp | 37.3 kW
Plows3
Drawbar (tested)41.44 hp | 30.9 kW
Belt (tested)44.71 hp | 33.3 kW
Mechanical
(no label)Two-wheel drive
Steeringmanual
Steeringpower assist optional
(no label)Differential mechanical expanding shoe brakes
(no label)Open operator station.
Capacity
Fuel17 gal | 64.3 L
Hydraulic system2 gal | 7.6 L
Hydraulics
Typeopen center
Capacity2 gal | 7.6 L
Pressure2000 psi | 137.9 bar
Total flow4 gpm | 15.1 lpm
Hitch
Rear TypeI
Rear lift1250 lbs | 567 kg
Pto
Rear PTOtransmission
Rear PTO Type540 (1.375)
Engine RPM540@1485
Dimensions
Wheelbase74.5 inches | 189 cm
Weight2958 to 3487 pounds
Front tire6.00-16
Rear tire12-28
Serial location
(no label)Left side of tractor, on top of transmission case behind the starter.
Electrical
Groundpositive (6V)
Groundnegative (12V)
Charging systemgenerator
Charging amps20
Battery volts6 (gas/lp)
Battery volts12 (diesel)
Battery AH80 (6V)
Battery AH135 (12V)

Engine

Engine options
(no label)Ford 2.8L 4-cyl gasoline
(no label)Ford 2.8L 4-cyl LP gas
(no label)Ford 2.8L 4-cyl diesel
Engine detail
(no label)Ford EAF
(no label)gasoline
(no label)4-cylinder 8-valve
(no label)liquid-cooled vertical overhead valve
Displacement172 ci | 2.8 L
Bore/Stroke3.90x3.60 inches | 99 x 91 mm
Power (gross)62.6 hp | 46.7 kW
Air cleaneroil bath
Compression7.5:1
Rated RPM2000
Torque166 lb-ft | 225.1 Nm
Torque RPM1600
Firing order1-2-4-3
Starter volts6
Coolant capacity (Coolant)15 qts | 14.2 L
Sparkplug gap0.027 inches | 0.686 mm
Point gap0.025 inches | 0.635 mm
Intake valve clearance0.015 inches (hot) | 0.381 mm
Exhaust valve clearance0.015 inches (hot) | 0.381 mm
(no label)Ford EAF
(no label)LP gas
(no label)4-cylinder 8-valve
(no label)liquid-cooled
Displacement172 ci | 2.8 L
Bore/Stroke3.90x3.60 inches | 99 x 91 mm
Air cleaneroil bath
Compression8.65:1
Rated RPM2200
Firing order1-2-4-3
Starter volts6
Sparkplug gap0.027 inches | 0.686 mm
Point gap0.025 inches | 0.635 mm
Intake valve clearance0.015 inches (hot) | 0.381 mm
Exhaust valve clearance0.015 inches (hot) | 0.381 mm
(no label)Ford
(no label)diesel
(no label)4-cylinder 8-valve
(no label)liquid-cooled
Displacement172 ci | 2.8 L
Bore/Stroke3.90x3.60 inches | 99 x 91 mm
Power56.3 hp | 42.0 kW
Air cleaneroil bath
Compression16.8:1
Rated RPM2200
Torque140.4 lb-ft | 190.4 Nm
Torque RPM1400
Firing order1-2-4-3
Starter volts12
Engine oil
Oil capacity5 qts | 4.7 L
Oil change100 h
Oil capacity5 qts | 4.7 L

Transmission

Transmission options
(no label)4-speed unsynchronized gear
(no label)12-speed
Transmission
ManufacturerFord
Typeunsynchronized gear
Gears4 forward and 1 reverse
Oil capacity6 qts | 5.7 L
Oil typeSAE 80
TransmissionSherman Step-Up Step-down
Gears12 forward and 3 reverse
Oil capacity6 qts | 5.7 L
Oil typeSAE 80
(no label)Auxiliary gearbox provides over, under, and direct-drive to the basic four-speed transmission. Tractors equipped with the transmission were marked 841S.

Dimensions

Tires
Ag front6.00-16
Ag rear12-28
Dimensions
Wheelbase74.5 inches | 189 cm
Length120.8 inches | 306 cm
Width64 inches | 162 cm
Height57.3 inches | 145 cm
Clearance (front axle)21.4 inches | 54 cm
Front tread52 to 80 inches | 132 to 203 cm
Rear tread52 to 76 inches | 132 to 193 cm
Weight
Shipping2958 lbs | 1341 kg
Operating3487 lbs | 1581 kg
Ballasted6985 lbs | 3168 kg